{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9638937","patent":{"patent_number":"US-9638937","title":"Spectacle lens, and method for designing spectacle lens, manufacturing method and manufacturing system of the spectacle lens","assignee":null,"inventors":[],"filing_date":"2013-03-15T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G06Q"],"num_claims":12,"abstract":"There is provided a spectacle lens, including: specific first and second reference points, and eye point between the first and second reference points on a meridian, with each point defined on a meridian; and a power variation portion where power is continuously varied from the first reference point to the second reference point, wherein a variation rate of an addition power is substantially zero in a circle of radius 4 mm with the first reference point as a center, and/or in a circle of radius 4 mm with the eye point as a center."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Spectacle lens, and method for designing spectacle lens, manufacturing method and manufacturing system of the spectacle lens","description":"There is provided a spectacle lens, including: specific first and second reference points, and eye point between the first and second reference points on a meridian, with each point defined on a merid","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9638937","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9638937","citation_suggestion":"Patentable. \"Spectacle lens, and method for designing spectacle lens, manufacturing method and manufacturing system of the spectacle lens\" (US-9638937). https://patentable.app/patents/US-9638937","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9638937","json":"https://patentable.app/api/llm-context/US-9638937","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:37:59.168Z"}